Summary:
- The article discusses the first episode of the second season of the anime series "Grand Blue," which is a comedy about a group of college students who love diving and partying.
- It highlights the introduction of a new character, the protagonist's sister, who tries to get him to focus on his studies instead of his wild antics with his friends.
- The summary suggests that the episode continues the series' signature humor and hijinks, with the sister's attempts to rein in the protagonist's behavior providing a new source of comedy.